Patent Grant
11679441
The present invention relates to a laser alignment system which is affixed to a drilling machine so as to reduce manufacture cost.
A conventional drilling machine contains a drill head configured to drill a workpiece at a high rotation speed so as to drill a bore. When the drilling machine operates, a drilling position of the drill head is aligned with a desired drilling position of the workpiece with operator's eyes, thus causing an offset of the desired drilling position.
To overcome above-mentioned problem, the operator has to draw a line on the workpiece and to punch a desired bore on the workpiece by using a header punch, and the desired bore is drilled further by ways of the drilling machine. However, such a drilling operation is troublesome.
A laser alignment system for a drill press is disclosed in US US2011/0318122A1 and includes first and second adjustable laser assemblies mountable on the drill press. Each adjustable laser assembly includes a base firmly affixed to the drill press, a rotatable element mounted on the base and being adapted to selectively rotate relative to the base, a pivotable element mounted on the rotatable element and being adapted to selectively pivot relative to the rotatable element, and a laser mounted on the pivotable element and being adapted to move simultaneously with the pivotable element. The laser alignment system includes a pivot adjusting mechanism coupled with the pivotable element for selectively pivoting the pivotable element relative to the rotatable element, and a rotation adjusting mechanism coupled with the rotatable element for selectively rotating the rotatable element relative to the base. Nevertheless, the laser beam cannot be adjusted stably and precisely.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
The primary objective of the present invention is to provide a laser alignment system which is affixed to a drilling machine so as to reduce manufacture cost.
Another objective of the present invention is to provide a laser alignment system, which contains two first fixers, two lamp holders, and two second fixers, wherein the peripheral knob of each lamp holder is clamped by the second arcuate portion of each second fixer and the first arcuate portion of each first fixer so as to enhance a contacting area of the peripheral knob, the second arcuate portion, and the first arcuate portion, thus adjusting the laser securely.
With reference to
a base 10 including two symmetrical holding sections 11, 12 formed on two ends of the base 10 respectively, two extensions 13, 14 extending from the two symmetrical holding sections 11, 12 respectively, two peripheral orifices 15 formed on the two symmetrical holding sections 11, 12 individually, a central orifice 16 defined on a center of the base 10 so as to accommodate a drill head of the drilling machine, and multiple passing orifices 17 surrounding the central orifice 16 and configured to lock the base 10 on the drilling machine M;
two first fixers 20 abutting against the two extensions 13, 14 and locked on the two symmetrical holding sections 11, 12 individually, wherein each of the two first fixers 20 has a first arcuate portion 21, an accommodation hole 22 passing through the first arcuate portion 21 downwardly, a first threaded hole 23 horizontally passing through each first fixer 20, a limitation hole 24 horizontally passing through each first fixer 20, two symmetrical protrusions (i.e., a first protrusion 25 and a second protrusion 26) extending upward from a side of each first fixer 20, wherein the first protrusion 25 has a first notch 250, and the second protrusion 26 has a second notch 260, wherein the two peripheral orifices 15 are in communication with the accommodation hole 22, the first threaded hole 23, and the limitation hole 24;
two lamp holders 30, each of the two lamp holders 30 including a peripheral knob 31, a first receiving orifice 32, a first rotation portion 33, a second rotation portion 34, and a swing portion 35, wherein the second rotation portion 34 is opposite to the first rotation portion 33 so that each lamp holder 30 is formed in a T shape, the swing portion 35 is inserted into the accommodation hole 22, the peripheral knob 31 is mounted on the first arcuate portion 21, and the swing portion 35 is hollow and is in communication with the first receiving orifice 32 so as to accommodate a laser lamp L;
two second fixers 40 locked on the two first fixers 20 so as to clamp the two lamp holders 30 respectively, each of the two second fixers 40 including a second arcuate portion 41, a second receiving orifice 42 passing through the second arcuate portion 41 upwardly, two symmetrical projections (i.e., a first projection 43 and a second projection 44) extending downward from a side of each second fixer 40, wherein the first projection 43 has a second threaded hole 430, and the second projection 44 has a third threaded hole 440;
the first rotation portion 33 being defined between the first projection 43 and the first protrusion 25, and the second rotation portion 34 being defined between the second projection 44 and the second protrusion 26;
two first resilient elements 50, each of the two first resilient elements 50 being accommodated in the limitation hole 24, wherein two first ends of the two first resilient element 50 abut against the two extensions 13, 14 respectively, and two second ends of the two first resilient elements 50 contact with two swing portions 35 of the two lamp holders 30 individually;
two first adjustable screws 51, each of the two first adjustable screws 51 including external threads corresponding to the first threaded hole 23, wherein each first adjustable screw 51 is inserted through the first threaded hole 23 to clamp the swing portion 35 of each lamp holder 30 with each first resilient element 50;
two second resilient elements 52, each of the two second resilient elements 52 being received in the first notch 250 of each first fixer 20, wherein a first end of each second resilient element 52 abuts against the first notch 250 of each first fixer 20, and a second end of each second resilient element 52 contacts with the first rotation portion 33 of each lamp holder 30;
two second adjustable screws 53, each of the two second adjustable screws 53 including external threads corresponding to the second threaded hole 430 of each second fixer 40, wherein each second adjustable screw 53 is inserted through the second threaded hole 430 to clamp the first rotation portion 33 of each lamp holder 30 with each second resilient element 52; and
two protective cases 60 locked on the two second fixers 40 respectively.
Referring to
As shown in
As shown in
When one side of the laser alignment system is arranged on a left side of the drilling machine M, as illustrated in
Thereby, the laser alignment system of the present invention has advantages as follows:
1. The peripheral knob 31, the first rotation portion 33, the second rotation portion 34, and the swing portion 35 of each lamp holder 30 are one-piece formed (i.e., injection molded by ways of a mold) so as to reduce manufacture cost.
2. The peripheral knob 31 is clamped by the second arcuate portion 41 of each second fixer 40 and the first arcuate portion 21 of each first fixer 20 so as to enhance a contacting area of the peripheral knob 31, the second arcuate portion 41, and the first arcuate portion 21, thus adjusting laser beams of the laser device securely.
3. The swing angle of the laser lamp L is increased so as to fix the laser device on the drilling machine easily.
4. The first protrusions 25 is symmetrical to the second protrusion 26, the first projection 43 is symmetrical to the second projection 44, and the second threaded hole 430 is symmetrical to the third threaded hole 440, so each second resilient element 52 is accommodated symmetrically to each second adjustable screw 53, thus adjustably positioning the laser beams of the laser lamp L, simplifying the laser device, and maintaining the laser lamp L easily.
While the preferred embodiments of the invention have been set forth for the purpose of disclosure, modifications of the disclosed embodiments of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.
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